Shower Drain Hair Catcher — Tall & dome design fits both flat and pop-up drains. With an outer diameter of 4.5 inches and an inner diameter of 3.74 inches,it fits most standard US drains. It can be installed without tools. Bathtub Drain Hair Catcher — Efficiently catches hair,rings,earrings while allowing water to drain and easy to use & clean. Reduces the annoyance caused by the smell of sewers and expensive cost of dredging clogged sewers. Foldable Silicone — Easy to use and clean with practical design and premium silicone material. Just restore the folded to dome before using.Suitable for bathtubs,showers,sinks or laundry. Anti-slip Design — The adopts a thick silicone structure and a weighted stainless steel block to ensure that the hair collector is fixed in place in water. Upgrade to Catch Efficiently & Keep Drainage — Small holes around and in the base to catch annoying hair better & keep drainge. Upgrade designs will prevent clogging better and reduce to use expensive sewers chemicals. We are committed to spend less money on household cleaning and get more convenience..